Middle Years

1.05 Using technology for operations with whole numbers

Interactive practice questions

Xanthe wants to evaluate the expression $\left(89+74\right)\times33$(89+74)×33.

a

Push the buttons on your calculator this order and write the result in each box:

$\editable{8}$8$\editable{9}$9$\editable{+}$+$\editable{7}$7$\editable{4}$4 $\editable{=}$=$\editable{×}$×$\editable{3}$3$\editable{3}$3$\editable{=}$= $\editable{}$
b

Push the buttons on your calculator in this order and write the result in each box:

$\editable{8}$8$\editable{9}$9$\editable{+}$+$\editable{7}$7$\editable{4}$4 $\editable{×}$×$\editable{3}$3$\editable{3}$3$\editable{=}$= $\editable{}$
c

How should Xanthe push the buttons on her calculator to get the correct answer?

$\editable{8}$8$\editable{9}$9$\editable{+}$+$\editable{7}$7$\editable{4}$4 $\editable{=}$=$\editable{×}$×$\editable{3}$3$\editable{3}$3$\editable{=}$=

A

$\editable{8}$8$\editable{9}$9$\editable{+}$+$\editable{7}$7$\editable{4}$4 $\editable{×}$×$\editable{3}$3$\editable{3}$3$\editable{=}$=

B
Easy
Approx 3 minutes

Sandy wants to evaluate the expression $\left(429+507\right)\div13$(429+507)÷​13.

Danielle wants to evaluate the expression $\left(224-126\right)\div14$(224126)÷​14.

Quiana wants to evaluate the expression $\left(676-31\right)\times24$(67631)×24.